16756220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 40435584

約数和(自身を除く): 23679364

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 223, 260, 289, 340, 442, 446, 578, 884, 892, 1105, 1115, 1156, 1445, 2210, 2230, 2890, 2899, 3757, 3791, 4420, 4460, 5780, 5798, 7514, 7582, 11596, 14495, 15028, 15164, 18785, 18955, 28990, 37570, 37910, 49283, 57980, 64447, 75140, 75820, 98566, 128894, 197132, 246415, 257788, 322235, 492830, 644470, 837811, 985660, 1288940, 1675622, 3351244, 4189055, 8378110, 16756220]

約数ペア:

[(1, 16756220), (2, 8378110), (4, 4189055), (5, 3351244), (10, 1675622), (13, 1288940), (17, 985660), (20, 837811), (26, 644470), (34, 492830), (52, 322235), (65, 257788), (68, 246415), (85, 197132), (130, 128894), (170, 98566), (221, 75820), (223, 75140), (260, 64447), (289, 57980), (340, 49283), (442, 37910), (446, 37570), (578, 28990), (884, 18955), (892, 18785), (1105, 15164), (1115, 15028), (1156, 14495), (1445, 11596), (2210, 7582), (2230, 7514), (2890, 5798), (2899, 5780), (3757, 4460), (3791, 4420)]