28967320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 41794280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1039, 1394, 1640, 2078, 2788, 3485, 4156, 5195, 5576, 6970, 8312, 10390, 13940, 17663, 20780, 27880, 35326, 41560, 42599, 70652, 85198, 88315, 141304, 170396, 176630, 212995, 340792, 353260, 425990, 706520, 724183, 851980, 1448366, 1703960, 2896732, 3620915, 5793464, 7241830, 14483660, 28967320]

約数ペア:

[(1, 28967320), (2, 14483660), (4, 7241830), (5, 5793464), (8, 3620915), (10, 2896732), (17, 1703960), (20, 1448366), (34, 851980), (40, 724183), (41, 706520), (68, 425990), (82, 353260), (85, 340792), (136, 212995), (164, 176630), (170, 170396), (205, 141304), (328, 88315), (340, 85198), (410, 70652), (680, 42599), (697, 41560), (820, 35326), (1039, 27880), (1394, 20780), (1640, 17663), (2078, 13940), (2788, 10390), (3485, 8312), (4156, 6970), (5195, 5576)]