13250020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 34062336

約数和(自身を除く): 20812316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 71, 86, 124, 140, 142, 155, 172, 215, 217, 284, 301, 310, 355, 430, 434, 497, 602, 620, 710, 860, 868, 994, 1085, 1204, 1333, 1420, 1505, 1988, 2170, 2201, 2485, 2666, 3010, 3053, 4340, 4402, 4970, 5332, 6020, 6106, 6665, 8804, 9331, 9940, 11005, 12212, 13330, 15265, 15407, 18662, 21371, 22010, 26660, 30530, 30814, 37324, 42742, 44020, 46655, 61060, 61628, 77035, 85484, 93310, 94643, 106855, 154070, 186620, 189286, 213710, 308140, 378572, 427420, 473215, 662501, 946430, 1325002, 1892860, 2650004, 3312505, 6625010, 13250020]

約数ペア:

[(1, 13250020), (2, 6625010), (4, 3312505), (5, 2650004), (7, 1892860), (10, 1325002), (14, 946430), (20, 662501), (28, 473215), (31, 427420), (35, 378572), (43, 308140), (62, 213710), (70, 189286), (71, 186620), (86, 154070), (124, 106855), (140, 94643), (142, 93310), (155, 85484), (172, 77035), (215, 61628), (217, 61060), (284, 46655), (301, 44020), (310, 42742), (355, 37324), (430, 30814), (434, 30530), (497, 26660), (602, 22010), (620, 21371), (710, 18662), (860, 15407), (868, 15265), (994, 13330), (1085, 12212), (1204, 11005), (1333, 9940), (1420, 9331), (1505, 8804), (1988, 6665), (2170, 6106), (2201, 6020), (2485, 5332), (2666, 4970), (3010, 4402), (3053, 4340)]