13279968260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{12671}}^1$

素因数の和:12861

約数の個数: 96

約数和(自身を含む): 31294771200

約数和(自身を除く): 18014802940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 139, 145, 260, 278, 290, 377, 556, 580, 695, 754, 1390, 1508, 1807, 1885, 2780, 3614, 3770, 4031, 7228, 7540, 8062, 9035, 12671, 16124, 18070, 20155, 25342, 36140, 40310, 50684, 52403, 63355, 80620, 104806, 126710, 164723, 209612, 253420, 262015, 329446, 367459, 524030, 658892, 734918, 823615, 1048060, 1469836, 1647230, 1761269, 1837295, 3294460, 3522538, 3674590, 4776967, 7045076, 7349180, 8806345, 9553934, 17612690, 19107868, 22896497, 23884835, 35225380, 45792994, 47769670, 51076801, 91585988, 95539340, 102153602, 114482485, 204307204, 228964970, 255384005, 457929940, 510768010, 663998413, 1021536020, 1327996826, 2655993652, 3319992065, 6639984130, 13279968260]

約数ペア:

[(1, 13279968260), (2, 6639984130), (4, 3319992065), (5, 2655993652), (10, 1327996826), (13, 1021536020), (20, 663998413), (26, 510768010), (29, 457929940), (52, 255384005), (58, 228964970), (65, 204307204), (116, 114482485), (130, 102153602), (139, 95539340), (145, 91585988), (260, 51076801), (278, 47769670), (290, 45792994), (377, 35225380), (556, 23884835), (580, 22896497), (695, 19107868), (754, 17612690), (1390, 9553934), (1508, 8806345), (1807, 7349180), (1885, 7045076), (2780, 4776967), (3614, 3674590), (3770, 3522538), (4031, 3294460), (7228, 1837295), (7540, 1761269), (8062, 1647230), (9035, 1469836), (12671, 1048060), (16124, 823615), (18070, 734918), (20155, 658892), (25342, 524030), (36140, 367459), (40310, 329446), (50684, 262015), (52403, 253420), (63355, 209612), (80620, 164723), (104806, 126710)]