16888980820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1\times {\mathrm{13103}}^1$

素因数の和:13369

約数の個数: 72

約数和(自身を含む): 37847706624

約数和(自身を除く): 20958725804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 223, 289, 340, 446, 578, 892, 1115, 1156, 1445, 2230, 2890, 3791, 4460, 5780, 7582, 13103, 15164, 18955, 26206, 37910, 52412, 64447, 65515, 75820, 128894, 131030, 222751, 257788, 262060, 322235, 445502, 644470, 891004, 1113755, 1288940, 2227510, 2921969, 3786767, 4455020, 5843938, 7573534, 11687876, 14609845, 15147068, 18933835, 29219690, 37867670, 49673473, 58439380, 75735340, 99346946, 198693892, 248367365, 496734730, 844449041, 993469460, 1688898082, 3377796164, 4222245205, 8444490410, 16888980820]

約数ペア:

[(1, 16888980820), (2, 8444490410), (4, 4222245205), (5, 3377796164), (10, 1688898082), (17, 993469460), (20, 844449041), (34, 496734730), (68, 248367365), (85, 198693892), (170, 99346946), (223, 75735340), (289, 58439380), (340, 49673473), (446, 37867670), (578, 29219690), (892, 18933835), (1115, 15147068), (1156, 14609845), (1445, 11687876), (2230, 7573534), (2890, 5843938), (3791, 4455020), (4460, 3786767), (5780, 2921969), (7582, 2227510), (13103, 1288940), (15164, 1113755), (18955, 891004), (26206, 644470), (37910, 445502), (52412, 322235), (64447, 262060), (65515, 257788), (75820, 222751), (128894, 131030)]