2013505000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{30977}}^1$

素因数の和:31016

約数の個数: 80

約数和(自身を含む): 5080701780

約数和(自身を除く): 3067196780

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1250, 1300, 1625, 2500, 2600, 3250, 5000, 6500, 8125, 13000, 16250, 30977, 32500, 61954, 65000, 123908, 154885, 247816, 309770, 402701, 619540, 774425, 805402, 1239080, 1548850, 1610804, 2013505, 3097700, 3221608, 3872125, 4027010, 6195400, 7744250, 8054020, 10067525, 15488500, 16108040, 19360625, 20135050, 30977000, 38721250, 40270100, 50337625, 77442500, 80540200, 100675250, 154885000, 201350500, 251688125, 402701000, 503376250, 1006752500, 2013505000]

約数ペア:

[(1, 2013505000), (2, 1006752500), (4, 503376250), (5, 402701000), (8, 251688125), (10, 201350500), (13, 154885000), (20, 100675250), (25, 80540200), (26, 77442500), (40, 50337625), (50, 40270100), (52, 38721250), (65, 30977000), (100, 20135050), (104, 19360625), (125, 16108040), (130, 15488500), (200, 10067525), (250, 8054020), (260, 7744250), (325, 6195400), (500, 4027010), (520, 3872125), (625, 3221608), (650, 3097700), (1000, 2013505), (1250, 1610804), (1300, 1548850), (1625, 1239080), (2500, 805402), (2600, 774425), (3250, 619540), (5000, 402701), (6500, 309770), (8125, 247816), (13000, 154885), (16250, 123908), (30977, 65000), (32500, 61954)]