13128456380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2970239}}^1$

素因数の和:2970278

約数の個数: 48

約数和(自身を含む): 31437020160

約数和(自身を除く): 18308563780

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 2970239, 5940478, 11880956, 14851195, 29702390, 38613107, 50494063, 59404780, 77226214, 100988126, 154452428, 193065535, 201976252, 252470315, 386131070, 504940630, 656422819, 772262140, 1009881260, 1312845638, 2625691276, 3282114095, 6564228190, 13128456380]

約数ペア:

[(1, 13128456380), (2, 6564228190), (4, 3282114095), (5, 2625691276), (10, 1312845638), (13, 1009881260), (17, 772262140), (20, 656422819), (26, 504940630), (34, 386131070), (52, 252470315), (65, 201976252), (68, 193065535), (85, 154452428), (130, 100988126), (170, 77226214), (221, 59404780), (260, 50494063), (340, 38613107), (442, 29702390), (884, 14851195), (1105, 11880956), (2210, 5940478), (4420, 2970239)]