20080470100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{10567}}^1$

素因数の和:11225

約数の個数: 72

約数和(自身を含む): 45057893888

約数和(自身を除く): 24977423788

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 613, 620, 775, 1226, 1550, 2452, 3065, 3100, 6130, 10567, 12260, 15325, 19003, 21134, 30650, 38006, 42268, 52835, 61300, 76012, 95015, 105670, 190030, 211340, 264175, 327577, 380060, 475075, 528350, 655154, 950150, 1056700, 1310308, 1637885, 1900300, 3275770, 6477571, 6551540, 8189425, 12955142, 16378850, 25910284, 32387855, 32757700, 64775710, 129551420, 161939275, 200804701, 323878550, 401609402, 647757100, 803218804, 1004023505, 2008047010, 4016094020, 5020117525, 10040235050, 20080470100]

約数ペア:

[(1, 20080470100), (2, 10040235050), (4, 5020117525), (5, 4016094020), (10, 2008047010), (20, 1004023505), (25, 803218804), (31, 647757100), (50, 401609402), (62, 323878550), (100, 200804701), (124, 161939275), (155, 129551420), (310, 64775710), (613, 32757700), (620, 32387855), (775, 25910284), (1226, 16378850), (1550, 12955142), (2452, 8189425), (3065, 6551540), (3100, 6477571), (6130, 3275770), (10567, 1900300), (12260, 1637885), (15325, 1310308), (19003, 1056700), (21134, 950150), (30650, 655154), (38006, 528350), (42268, 475075), (52835, 380060), (61300, 327577), (76012, 264175), (95015, 211340), (105670, 190030)]