128340808700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3187}}^1\times {\mathrm{30977}}^1$

素因数の和:34191

約数の個数: 72

約数和(自身を含む): 300026390832

約数和(自身を除く): 171685582132

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 3187, 6374, 12748, 15935, 30977, 31870, 41431, 61954, 63740, 79675, 82862, 123908, 154885, 159350, 165724, 207155, 309770, 318700, 402701, 414310, 619540, 774425, 805402, 828620, 1035775, 1548850, 1610804, 2013505, 2071550, 3097700, 4027010, 4143100, 8054020, 10067525, 20135050, 40270100, 98723699, 197447398, 394894796, 493618495, 987236990, 1283408087, 1974473980, 2468092475, 2566816174, 4936184950, 5133632348, 6417040435, 9872369900, 12834080870, 25668161740, 32085202175, 64170404350, 128340808700]

約数ペア:

[(1, 128340808700), (2, 64170404350), (4, 32085202175), (5, 25668161740), (10, 12834080870), (13, 9872369900), (20, 6417040435), (25, 5133632348), (26, 4936184950), (50, 2566816174), (52, 2468092475), (65, 1974473980), (100, 1283408087), (130, 987236990), (260, 493618495), (325, 394894796), (650, 197447398), (1300, 98723699), (3187, 40270100), (6374, 20135050), (12748, 10067525), (15935, 8054020), (30977, 4143100), (31870, 4027010), (41431, 3097700), (61954, 2071550), (63740, 2013505), (79675, 1610804), (82862, 1548850), (123908, 1035775), (154885, 828620), (159350, 805402), (165724, 774425), (207155, 619540), (309770, 414310), (318700, 402701)]