10405020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^2$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 31156272

約数和(自身を除く): 20751252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 101, 102, 170, 202, 204, 255, 303, 340, 404, 505, 510, 606, 1010, 1020, 1212, 1515, 1717, 2020, 3030, 3434, 5151, 6060, 6868, 8585, 10201, 10302, 17170, 20402, 20604, 25755, 30603, 34340, 40804, 51005, 51510, 61206, 102010, 103020, 122412, 153015, 173417, 204020, 306030, 346834, 520251, 612060, 693668, 867085, 1040502, 1734170, 2081004, 2601255, 3468340, 5202510, 10405020]

約数ペア:

[(1, 10405020), (2, 5202510), (3, 3468340), (4, 2601255), (5, 2081004), (6, 1734170), (10, 1040502), (12, 867085), (15, 693668), (17, 612060), (20, 520251), (30, 346834), (34, 306030), (51, 204020), (60, 173417), (68, 153015), (85, 122412), (101, 103020), (102, 102010), (170, 61206), (202, 51510), (204, 51005), (255, 40804), (303, 34340), (340, 30603), (404, 25755), (505, 20604), (510, 20402), (606, 17170), (1010, 10302), (1020, 10201), (1212, 8585), (1515, 6868), (1717, 6060), (2020, 5151), (3030, 3434)]