2051280010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{10429}}^1$

素因数の和:10555

約数の個数: 64

約数和(自身を含む): 4257943200

約数和(自身を除く): 2206663190

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 89, 130, 170, 178, 221, 442, 445, 890, 1105, 1157, 1513, 2210, 2314, 3026, 5785, 7565, 10429, 11570, 15130, 19669, 20858, 39338, 52145, 98345, 104290, 135577, 177293, 196690, 271154, 354586, 677885, 886465, 928181, 1355770, 1772930, 1856362, 2304809, 4609618, 4640905, 9281810, 11524045, 12066353, 15779077, 23048090, 24132706, 31558154, 60331765, 78895385, 120663530, 157790770, 205128001, 410256002, 1025640005, 2051280010]

約数ペア:

[(1, 2051280010), (2, 1025640005), (5, 410256002), (10, 205128001), (13, 157790770), (17, 120663530), (26, 78895385), (34, 60331765), (65, 31558154), (85, 24132706), (89, 23048090), (130, 15779077), (170, 12066353), (178, 11524045), (221, 9281810), (442, 4640905), (445, 4609618), (890, 2304809), (1105, 1856362), (1157, 1772930), (1513, 1355770), (2210, 928181), (2314, 886465), (3026, 677885), (5785, 354586), (7565, 271154), (10429, 196690), (11570, 177293), (15130, 135577), (19669, 104290), (20858, 98345), (39338, 52145)]