82765520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3252

約数の個数: 80

約数和(自身を含む): 214539840

約数和(自身を除く): 131774320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3203, 3230, 5168, 6406, 6460, 12812, 12920, 16015, 25624, 25840, 32030, 51248, 54451, 60857, 64060, 108902, 121714, 128120, 217804, 243428, 256240, 272255, 304285, 435608, 486856, 544510, 608570, 871216, 973712, 1034569, 1089020, 1217140, 2069138, 2178040, 2434280, 4138276, 4356080, 4868560, 5172845, 8276552, 10345690, 16553104, 20691380, 41382760, 82765520]

約数ペア:

[(1, 82765520), (2, 41382760), (4, 20691380), (5, 16553104), (8, 10345690), (10, 8276552), (16, 5172845), (17, 4868560), (19, 4356080), (20, 4138276), (34, 2434280), (38, 2178040), (40, 2069138), (68, 1217140), (76, 1089020), (80, 1034569), (85, 973712), (95, 871216), (136, 608570), (152, 544510), (170, 486856), (190, 435608), (272, 304285), (304, 272255), (323, 256240), (340, 243428), (380, 217804), (646, 128120), (680, 121714), (760, 108902), (1292, 64060), (1360, 60857), (1520, 54451), (1615, 51248), (2584, 32030), (3203, 25840), (3230, 25624), (5168, 16015), (6406, 12920), (6460, 12812)]