15702769420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{194197}}^1$

素因数の和:194530

約数の個数: 48

約数和(自身を含む): 35626788288

約数和(自身を除く): 19924018868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1244, 1555, 3110, 4043, 6220, 8086, 16172, 20215, 40430, 80860, 194197, 388394, 776788, 970985, 1941970, 2524561, 3883940, 5049122, 10098244, 12622805, 25245610, 50491220, 60395267, 120790534, 241581068, 301976335, 603952670, 785138471, 1207905340, 1570276942, 3140553884, 3925692355, 7851384710, 15702769420]

約数ペア:

[(1, 15702769420), (2, 7851384710), (4, 3925692355), (5, 3140553884), (10, 1570276942), (13, 1207905340), (20, 785138471), (26, 603952670), (52, 301976335), (65, 241581068), (130, 120790534), (260, 60395267), (311, 50491220), (622, 25245610), (1244, 12622805), (1555, 10098244), (3110, 5049122), (4043, 3883940), (6220, 2524561), (8086, 1941970), (16172, 970985), (20215, 776788), (40430, 388394), (80860, 194197)]