4405040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 11249280

約数和(自身を除く): 6844240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 79, 80, 82, 85, 136, 158, 164, 170, 205, 272, 316, 328, 340, 395, 410, 632, 656, 680, 697, 790, 820, 1264, 1343, 1360, 1394, 1580, 1640, 2686, 2788, 3160, 3239, 3280, 3485, 5372, 5576, 6320, 6478, 6715, 6970, 10744, 11152, 12956, 13430, 13940, 16195, 21488, 25912, 26860, 27880, 32390, 51824, 53720, 55063, 55760, 64780, 107440, 110126, 129560, 220252, 259120, 275315, 440504, 550630, 881008, 1101260, 2202520, 4405040]

約数ペア:

[(1, 4405040), (2, 2202520), (4, 1101260), (5, 881008), (8, 550630), (10, 440504), (16, 275315), (17, 259120), (20, 220252), (34, 129560), (40, 110126), (41, 107440), (68, 64780), (79, 55760), (80, 55063), (82, 53720), (85, 51824), (136, 32390), (158, 27880), (164, 26860), (170, 25912), (205, 21488), (272, 16195), (316, 13940), (328, 13430), (340, 12956), (395, 11152), (410, 10744), (632, 6970), (656, 6715), (680, 6478), (697, 6320), (790, 5576), (820, 5372), (1264, 3485), (1343, 3280), (1360, 3239), (1394, 3160), (1580, 2788), (1640, 2686)]