74747920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1753}}^1$

素因数の和:1820

約数の個数: 80

約数和(自身を含む): 191831472

約数和(自身を除く): 117083552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 1753, 2132, 2665, 3280, 3506, 4264, 5330, 7012, 8528, 8765, 10660, 14024, 17530, 21320, 22789, 28048, 35060, 42640, 45578, 70120, 71873, 91156, 113945, 140240, 143746, 182312, 227890, 287492, 359365, 364624, 455780, 574984, 718730, 911560, 934349, 1149968, 1437460, 1823120, 1868698, 2874920, 3737396, 4671745, 5749840, 7474792, 9343490, 14949584, 18686980, 37373960, 74747920]

約数ペア:

[(1, 74747920), (2, 37373960), (4, 18686980), (5, 14949584), (8, 9343490), (10, 7474792), (13, 5749840), (16, 4671745), (20, 3737396), (26, 2874920), (40, 1868698), (41, 1823120), (52, 1437460), (65, 1149968), (80, 934349), (82, 911560), (104, 718730), (130, 574984), (164, 455780), (205, 364624), (208, 359365), (260, 287492), (328, 227890), (410, 182312), (520, 143746), (533, 140240), (656, 113945), (820, 91156), (1040, 71873), (1066, 70120), (1640, 45578), (1753, 42640), (2132, 35060), (2665, 28048), (3280, 22789), (3506, 21320), (4264, 17530), (5330, 14024), (7012, 10660), (8528, 8765)]