40491280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1616

約数の個数: 80

約数和(自身を含む): 104993280

約数和(自身を除く): 64502000

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, 1567, 1615, 2584, 3134, 3230, 5168, 6268, 6460, 7835, 12536, 12920, 15670, 25072, 25840, 26639, 29773, 31340, 53278, 59546, 62680, 106556, 119092, 125360, 133195, 148865, 213112, 238184, 266390, 297730, 426224, 476368, 506141, 532780, 595460, 1012282, 1065560, 1190920, 2024564, 2131120, 2381840, 2530705, 4049128, 5061410, 8098256, 10122820, 20245640, 40491280]

約数ペア:

[(1, 40491280), (2, 20245640), (4, 10122820), (5, 8098256), (8, 5061410), (10, 4049128), (16, 2530705), (17, 2381840), (19, 2131120), (20, 2024564), (34, 1190920), (38, 1065560), (40, 1012282), (68, 595460), (76, 532780), (80, 506141), (85, 476368), (95, 426224), (136, 297730), (152, 266390), (170, 238184), (190, 213112), (272, 148865), (304, 133195), (323, 125360), (340, 119092), (380, 106556), (646, 62680), (680, 59546), (760, 53278), (1292, 31340), (1360, 29773), (1520, 26639), (1567, 25840), (1615, 25072), (2584, 15670), (3134, 12920), (3230, 12536), (5168, 7835), (6268, 6460)]