40652500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 107065728

約数和(自身を除く): 66413228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 101, 115, 125, 140, 161, 175, 202, 230, 250, 322, 350, 404, 460, 500, 505, 575, 625, 644, 700, 707, 805, 875, 1010, 1150, 1250, 1414, 1610, 1750, 2020, 2300, 2323, 2500, 2525, 2828, 2875, 3220, 3500, 3535, 4025, 4375, 4646, 5050, 5750, 7070, 8050, 8750, 9292, 10100, 11500, 11615, 12625, 14140, 14375, 16100, 16261, 17500, 17675, 20125, 23230, 25250, 28750, 32522, 35350, 40250, 46460, 50500, 57500, 58075, 63125, 65044, 70700, 80500, 81305, 88375, 100625, 116150, 126250, 162610, 176750, 201250, 232300, 252500, 290375, 325220, 353500, 402500, 406525, 441875, 580750, 813050, 883750, 1161500, 1451875, 1626100, 1767500, 2032625, 2903750, 4065250, 5807500, 8130500, 10163125, 20326250, 40652500]

約数ペア:

[(1, 40652500), (2, 20326250), (4, 10163125), (5, 8130500), (7, 5807500), (10, 4065250), (14, 2903750), (20, 2032625), (23, 1767500), (25, 1626100), (28, 1451875), (35, 1161500), (46, 883750), (50, 813050), (70, 580750), (92, 441875), (100, 406525), (101, 402500), (115, 353500), (125, 325220), (140, 290375), (161, 252500), (175, 232300), (202, 201250), (230, 176750), (250, 162610), (322, 126250), (350, 116150), (404, 100625), (460, 88375), (500, 81305), (505, 80500), (575, 70700), (625, 65044), (644, 63125), (700, 58075), (707, 57500), (805, 50500), (875, 46460), (1010, 40250), (1150, 35350), (1250, 32522), (1414, 28750), (1610, 25250), (1750, 23230), (2020, 20125), (2300, 17675), (2323, 17500), (2500, 16261), (2525, 16100), (2828, 14375), (2875, 14140), (3220, 12625), (3500, 11615), (3535, 11500), (4025, 10100), (4375, 9292), (4646, 8750), (5050, 8050), (5750, 7070)]