13366880020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{177893}}^1$

素因数の和:177949

約数の個数: 72

約数和(自身を含む): 32112713304

約数和(自身を除く): 18745833284

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 5780, 7514, 15028, 18785, 37570, 75140, 177893, 355786, 711572, 889465, 1778930, 2312609, 3024181, 3557860, 4625218, 6048362, 9250436, 11563045, 12096724, 15120905, 23126090, 30241810, 39314353, 46252180, 51411077, 60483620, 78628706, 102822154, 157257412, 196571765, 205644308, 257055385, 393143530, 514110770, 668344001, 786287060, 1028221540, 1336688002, 2673376004, 3341720005, 6683440010, 13366880020]

約数ペア:

[(1, 13366880020), (2, 6683440010), (4, 3341720005), (5, 2673376004), (10, 1336688002), (13, 1028221540), (17, 786287060), (20, 668344001), (26, 514110770), (34, 393143530), (52, 257055385), (65, 205644308), (68, 196571765), (85, 157257412), (130, 102822154), (170, 78628706), (221, 60483620), (260, 51411077), (289, 46252180), (340, 39314353), (442, 30241810), (578, 23126090), (884, 15120905), (1105, 12096724), (1156, 11563045), (1445, 9250436), (2210, 6048362), (2890, 4625218), (3757, 3557860), (4420, 3024181), (5780, 2312609), (7514, 1778930), (15028, 889465), (18785, 711572), (37570, 355786), (75140, 177893)]