23228920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 40637960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 131, 143, 155, 220, 248, 260, 262, 286, 310, 341, 403, 440, 520, 524, 572, 620, 655, 682, 715, 806, 1048, 1144, 1240, 1310, 1364, 1430, 1441, 1612, 1703, 1705, 2015, 2620, 2728, 2860, 2882, 3224, 3406, 3410, 4030, 4061, 4433, 5240, 5720, 5764, 6812, 6820, 7205, 8060, 8122, 8515, 8866, 11528, 13624, 13640, 14410, 16120, 16244, 17030, 17732, 18733, 20305, 22165, 28820, 32488, 34060, 35464, 37466, 40610, 44330, 44671, 52793, 57640, 68120, 74932, 81220, 88660, 89342, 93665, 105586, 149864, 162440, 177320, 178684, 187330, 211172, 223355, 263965, 357368, 374660, 422344, 446710, 527930, 580723, 749320, 893420, 1055860, 1161446, 1786840, 2111720, 2322892, 2903615, 4645784, 5807230, 11614460, 23228920]

約数ペア:

[(1, 23228920), (2, 11614460), (4, 5807230), (5, 4645784), (8, 2903615), (10, 2322892), (11, 2111720), (13, 1786840), (20, 1161446), (22, 1055860), (26, 893420), (31, 749320), (40, 580723), (44, 527930), (52, 446710), (55, 422344), (62, 374660), (65, 357368), (88, 263965), (104, 223355), (110, 211172), (124, 187330), (130, 178684), (131, 177320), (143, 162440), (155, 149864), (220, 105586), (248, 93665), (260, 89342), (262, 88660), (286, 81220), (310, 74932), (341, 68120), (403, 57640), (440, 52793), (520, 44671), (524, 44330), (572, 40610), (620, 37466), (655, 35464), (682, 34060), (715, 32488), (806, 28820), (1048, 22165), (1144, 20305), (1240, 18733), (1310, 17732), (1364, 17030), (1430, 16244), (1441, 16120), (1612, 14410), (1703, 13640), (1705, 13624), (2015, 11528), (2620, 8866), (2728, 8515), (2860, 8122), (2882, 8060), (3224, 7205), (3406, 6820), (3410, 6812), (4030, 5764), (4061, 5720), (4433, 5240)]