13264280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 32486400

約数和(自身を除く): 19222120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 563, 589, 620, 760, 1126, 1178, 1240, 2252, 2356, 2815, 2945, 4504, 4712, 5630, 5890, 10697, 11260, 11780, 17453, 21394, 22520, 23560, 34906, 42788, 53485, 69812, 85576, 87265, 106970, 139624, 174530, 213940, 331607, 349060, 427880, 663214, 698120, 1326428, 1658035, 2652856, 3316070, 6632140, 13264280]

約数ペア:

[(1, 13264280), (2, 6632140), (4, 3316070), (5, 2652856), (8, 1658035), (10, 1326428), (19, 698120), (20, 663214), (31, 427880), (38, 349060), (40, 331607), (62, 213940), (76, 174530), (95, 139624), (124, 106970), (152, 87265), (155, 85576), (190, 69812), (248, 53485), (310, 42788), (380, 34906), (563, 23560), (589, 22520), (620, 21394), (760, 17453), (1126, 11780), (1178, 11260), (1240, 10697), (2252, 5890), (2356, 5630), (2815, 4712), (2945, 4504)]