31873640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2514

約数の個数: 64

約数和(自身を含む): 79963200

約数和(自身を除く): 48089560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2467, 2584, 3230, 4934, 6460, 9868, 12335, 12920, 19736, 24670, 41939, 46873, 49340, 83878, 93746, 98680, 167756, 187492, 209695, 234365, 335512, 374984, 419390, 468730, 796841, 838780, 937460, 1593682, 1677560, 1874920, 3187364, 3984205, 6374728, 7968410, 15936820, 31873640]

約数ペア:

[(1, 31873640), (2, 15936820), (4, 7968410), (5, 6374728), (8, 3984205), (10, 3187364), (17, 1874920), (19, 1677560), (20, 1593682), (34, 937460), (38, 838780), (40, 796841), (68, 468730), (76, 419390), (85, 374984), (95, 335512), (136, 234365), (152, 209695), (170, 187492), (190, 167756), (323, 98680), (340, 93746), (380, 83878), (646, 49340), (680, 46873), (760, 41939), (1292, 24670), (1615, 19736), (2467, 12920), (2584, 12335), (3230, 9868), (4934, 6460)]